#pragma once

#include <iostream>

enum
{
    USAGE_ERR = 1,
    SOCKET_ERR,
    BIND_ERR,
    LISTEN_ERR,
    EPOLL_ERR,
    CREATEVENTFD_ERR,
    READEVENTFD_ERR,
    WRITEEVENTFD_ERR,
    TIMERFD_ERR,
    READTIMERFD_ERR
};